Wilt Chamberlain Autographed 8.5” x 10.5” Magazine Photo. Lot 232. Wilt Chamberlain Autographed 8.5” x 10.5” Magazine Photo. Strong autograph that displays as nm 7 on a dark, sepia background. Authenticated by Kevin Keating. Winning Bid $83. Back to List Winning Bid $83 Back to List